Which object has the greatest kinetic energy?

A: a truck with a mass of 3,500 kg moving at 30 m/s

B: a person with a mass of 73 kg running 6 m/s

C: a locomotive engine with a mass of 205,000 kg moving 5 m/s

D: a fast pitched baseball with a mass of .5 kg moving at 46.9 m/s

5 answers

K.E. = (1/2)MV^2
Substitute the numbers and see which gives the larger KE. Post your work if you get stuck.

thanks

where the answer

whats the answer?

Answers C

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